Cannot access Umbrel via weblink nor Terminal

I’ve had my node up and running well for a couple weeks. After power outage a few days ago, I can’t login via http://umbrel.local/start (umbrel.local ’s DNS address could not be found.). I can’t access it via my remote link. I can’t even SSH w/ -t umbrel@umbrel.local via Terminal (no password prompt or anything is returned). Please advise…

Welcome to the community, Max! Have you tried unplugging and replugging the power supply?

Reflash your micro SD with umbrel image. After improper power shutdowns, it can have issues.

Do you need to shutdown the node before reflashing? If I cannot access it via browser or terminal how do I shut it down?